{"product_id":"3l01-180-copeland-comfort-control-white-rodgers-l180-40f","title":"3L01-180 Copeland Comfort Control (White Rodgers) L180-40F","description":"\u003ch1\u003e3L01-180 Copeland Comfort Control (White Rodgers) L180-40F\u003c\/h1\u003e\n\u003cstyle\u003e\na {\n    text-decoration: none;\n    color: #464feb;\n}\ntr th, tr td {\n    border: 1px solid #e6e6e6;\n}\ntr th {\n    background-color: #f5f5f5;\n}\n\u003c\/style\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003e3L01-180 Snap Disc Limit Switch (White-Rodgers \/ Copeland Comfort Control)\u003c\/strong\u003e is an automatic reset temperature safety control designed to protect HVAC, heating, and refrigeration equipment from overheating. Featuring a \u003cstrong\u003e180°F fixed cut-out temperature\u003c\/strong\u003e and a typical \u003cstrong\u003e40°F differential\u003c\/strong\u003e, this \u003cstrong\u003eopen-on-rise\u003c\/strong\u003e switch interrupts the control circuit when temperatures exceed safe operating limits and automatically resets once the temperature drops to its reset point.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCross-Reference\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3L01-180\u003c\/li\u003e\n\u003cli\u003e3L01180\u003c\/li\u003e\n\u003cli\u003eL180-40F\u003c\/li\u003e\n\u003cli\u003e60T11 Series\u003c\/li\u003e\n\u003cli\u003eWhite-Rodgers 3L01-180\u003c\/li\u003e\n\u003cli\u003eCopeland Comfort Control 3L01-180\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eDirect OEM\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhite-Rodgers 3L01-180\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCompatible Brands\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWhite-Rodgers\u003c\/li\u003e\n\u003cli\u003eEmerson\u003c\/li\u003e\n\u003cli\u003eCopeland\u003c\/li\u003e\n\u003cli\u003eYork\u003c\/li\u003e\n\u003cli\u003eColeman\u003c\/li\u003e\n\u003cli\u003eLuxaire\u003c\/li\u003e\n\u003cli\u003eGoodman\u003c\/li\u003e\n\u003cli\u003eUniversal HVAC Applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eUsed in HVAC and refrigeration equipment to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProtect systems from overheating\u003c\/li\u003e\n\u003cli\u003eOpen the control circuit at 180°F\u003c\/li\u003e\n\u003cli\u003eAutomatically reset after cooling\u003c\/li\u003e\n\u003cli\u003eProtect compressors, heat exchangers, and control circuits\u003c\/li\u003e\n\u003cli\u003ePrevent damage from excessive operating temperatures\u003c\/li\u003e\n\u003cli\u003eMaintain safe equipment operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eRelated Components\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSnap Disc Limit Switch\u003c\/li\u003e\n\u003cli\u003eHigh Limit Control\u003c\/li\u003e\n\u003cli\u003eFan Switch\u003c\/li\u003e\n\u003cli\u003eFan \u0026amp; Limit Control\u003c\/li\u003e\n\u003cli\u003eFurnace Control Board\u003c\/li\u003e\n\u003cli\u003eBlower Relay\u003c\/li\u003e\n\u003cli\u003eTransformer\u003c\/li\u003e\n\u003cli\u003eTemperature Sensor\u003c\/li\u003e\n\u003cli\u003eContactor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnician Notes\u003c\/h3\u003e\n\u003cp\u003eThe 3L01-180 is an \u003cstrong\u003eautomatic reset, open-on-rise snap disc limit switch\u003c\/strong\u003e commonly used in HVAC and refrigeration applications. The contacts remain closed during normal operation and open when the sensing surface reaches \u003cstrong\u003e180°F\u003c\/strong\u003e. Once the temperature decreases by the switch differential, the contacts automatically reset.\u003c\/p\u003e\n\u003cp\u003eRepeated limit trips often indicate restricted airflow, dirty coils, plugged filters, failing blower motors, blocked vents, excessive heat load, or other system issues that should be corrected before replacing the switch.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon Symptoms of Failure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEquipment shuts down on high temperature\u003c\/li\u003e\n\u003cli\u003eOpen limit circuit fault\u003c\/li\u003e\n\u003cli\u003eIntermittent heating or cooling operation\u003c\/li\u003e\n\u003cli\u003eSafety lockout conditions\u003c\/li\u003e\n\u003cli\u003eNo continuity through switch contacts\u003c\/li\u003e\n\u003cli\u003eFrequent nuisance trips\u003c\/li\u003e\n\u003cli\u003eFailure to restart properly\u003c\/li\u003e\n\u003cli\u003eReduced system reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect electrical power before servicing.\u003c\/li\u003e\n\u003cli\u003eVerify temperature ratings and switch action match the original.\u003c\/li\u003e\n\u003cli\u003eConfirm the switch is an \"Open on Rise\" design.\u003c\/li\u003e\n\u003cli\u003eMount securely to the original sensing location.\u003c\/li\u003e\n\u003cli\u003eInspect terminals for corrosion or overheating.\u003c\/li\u003e\n\u003cli\u003eCheck airflow and operating temperatures.\u003c\/li\u003e\n\u003cli\u003eTest continuity before startup.\u003c\/li\u003e\n\u003cli\u003eVerify complete system operation after installation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch3\u003eRecommended Inspection Items\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBlower motor operation\u003c\/li\u003e\n\u003cli\u003eAir filter condition\u003c\/li\u003e\n\u003cli\u003eCoil cleanliness\u003c\/li\u003e\n\u003cli\u003eElectrical terminals\u003c\/li\u003e\n\u003cli\u003eWiring harness condition\u003c\/li\u003e\n\u003cli\u003eSupply voltage\u003c\/li\u003e\n\u003cli\u003eTemperature rise across equipment\u003c\/li\u003e\n\u003cli\u003eControl board diagnostics\u003c\/li\u003e\n\u003cli\u003eVenting and airflow restrictions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Neuco","offers":[{"title":"Default Title","offer_id":45886123737154,"sku":"3L01-180","price":14.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/Screenshot2026-11-02190629.png?v=1793671605","url":"https:\/\/hvacpartstore.com\/products\/3l01-180-copeland-comfort-control-white-rodgers-l180-40f","provider":"HVACpartstore","version":"1.0","type":"link"}